Structure of PDB 1p7l Chain B Binding Site BS02

Receptor Information
>1p7l Chain B (length=383) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AKHLFTSESVSEGHPDKIADQISDAVLDAILEQDPKARVACETYVKTGMV
LVGGEITTSAWVDIEEITRNTVREIGYVHSDMGFDANSCAVLSAIGKQSP
DINQGVDRADPLEQGAGDQGLMFGYATNETDVLMPAPITYAHRLVQRQAE
VRKNGTLPWLRPDAKSQVTFQYDDGKIVGIDAVVLSTQHSEEIDQKSLQE
AVMEEIIKPILPAEWLTSATKFFINPTGRFVIGGPMGDCGLTGRKIIVDT
YGGMARHGGGAFSGKDPSKVDRSAAYAARYVAKNIVAAGLADRCEIQVSY
AIGVAEPTSIMVETFGTEKVPSEQLTLLVREFFDLRPYGLIQMLDLLHPI
YKETAAYGHFGREHFPWEKTDKAQLLRDAAGLK
Ligand information
Ligand IDMET
InChIInChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1
InChIKeyFFEARJCKVFRZRR-BYPYZUCNSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CSCC[CH](N)C(O)=O
OpenEye OEToolkits 1.5.0CSCCC(C(=O)O)N
CACTVS 3.341CSCC[C@H](N)C(O)=O
OpenEye OEToolkits 1.5.0CSCC[C@@H](C(=O)O)N
ACDLabs 10.04O=C(O)C(N)CCSC
FormulaC5 H11 N O2 S
NameMETHIONINE
ChEMBLCHEMBL42336
DrugBankDB00134
ZINCZINC000001532529
PDB chain1p7l Chain B Residue 385 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1p7l Crystal structure of the s-adenosylmethionine synthetase ternary complex: a novel catalytic mechanism of s-adenosylmethionine synthesis from ATP and MET.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		E55 Q98 I102 D118
Binding residue
(residue number reindexed from 1)		E55 Q98 I102 D118
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) H14 D16 K17 E42 E55 K165 F230 D238 C239 R244 K245 K265 K269 D271
Catalytic site (residue number reindexed from 1) H14 D16 K17 E42 E55 K165 F230 D238 C239 R244 K245 K265 K269 D271
Enzyme Commision number 2.5.1.6: methionine adenosyltransferase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004478 methionine adenosyltransferase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016740 transferase activity
GO:0030955 potassium ion binding
GO:0042802 identical protein binding
GO:0046872 metal ion binding
Biological Process
GO:0006556 S-adenosylmethionine biosynthetic process
GO:0006730 one-carbon metabolic process
GO:0033353 S-adenosylmethionine cycle
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1p7l, PDBe:1p7l, PDBj:1p7l
PDBsum1p7l
PubMed14967023
UniProtP0A817|METK_ECOLI S-adenosylmethionine synthase (Gene Name=metK)

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